158473840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40427}}^1$

素因数の和:40454

約数の個数: 60

約数和(自身を含む): 428617656

約数和(自身を除く): 270143816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 40427, 80854, 161708, 202135, 282989, 323416, 404270, 565978, 646832, 808540, 1131956, 1414945, 1617080, 1980923, 2263912, 2829890, 3234160, 3961846, 4527824, 5659780, 7923692, 9904615, 11319560, 15847384, 19809230, 22639120, 31694768, 39618460, 79236920, 158473840]

約数ペア:

[(1, 158473840), (2, 79236920), (4, 39618460), (5, 31694768), (7, 22639120), (8, 19809230), (10, 15847384), (14, 11319560), (16, 9904615), (20, 7923692), (28, 5659780), (35, 4527824), (40, 3961846), (49, 3234160), (56, 2829890), (70, 2263912), (80, 1980923), (98, 1617080), (112, 1414945), (140, 1131956), (196, 808540), (245, 646832), (280, 565978), (392, 404270), (490, 323416), (560, 282989), (784, 202135), (980, 161708), (1960, 80854), (3920, 40427)]